Pterygoid plexus

The pterygoid plexus (/ˈtɛrɪɡɔɪd/; from Greek pteryx, 'wing' and eidos, 'shape') is a venous plexus of considerable size, and is situated between the temporalis muscle and lateral pterygoid muscle, and partly between the two pterygoid muscles. The pterygoid plexus (/ˈtɛrɪɡɔɪd/; from Greek pteryx, 'wing' and eidos, 'shape') is a venous plexus of considerable size, and is situated between the temporalis muscle and lateral pterygoid muscle, and partly between the two pterygoid muscles. It receives tributaries corresponding with the branches of the maxillary artery.